This reusable glass baby food jar set by Sage Spoonfuls includes an 8-pack of 4-ounce jars and a 4-pack of 8-ounce jars. Each glass baby food container has a convenient twist-off lid with an airtight seal that is leakproof for safely freezing and refrigerating homemade baby food. These non-toxic glass jars are perfect for storing, serving, warming, and carrying your homemade baby food and healthy snacks on-the-go. The glass baby food jars are freezer-safe, dishwasher-safe (top rack), and microwave-safe with the lids removed. Ideal for making baby food in bulk, these glass baby food jars are also perfect for storing finger foods, snacks, yogurt, breastmilk, powdered formula, and more. The 8-ounce glass jars can also be used as drinking glasses for smoothies, while the 4-ounce jars make a perfect homemade popsicle mold. All jars and lids are free of BPA, phthalate, and PVC. The glass baby food jar set comes with a reusable marker to label and date jar contents.